package com.aliyun.oss;



import java.io.ByteArrayInputStream;
import java.io.InputStream;


public class AliOssUtil {

/*
    private String endpoint;
    private String accessKeyId;
    private String accessKeySecret;
    private String bucketName;
*/

    private AliOssProperties aliOssProperties;

    public AliOssProperties getAliOssProperties() {
        return aliOssProperties;
    }

    public void setAliOssProperties(AliOssProperties aliOssProperties) {
        this.aliOssProperties = aliOssProperties;
    }

    /**
     * 文件上传
     *
     * @param bytes
     * @param objectName
     * @return 上传成功返回文件访问路径，上传失败返回null
     */
    public String upload(byte[] bytes, String objectName) {
       String endpoint = aliOssProperties.getEndpoint();
       String accessKeyId = aliOssProperties.getAccessKeyId();
       String accessKeySecret = aliOssProperties.getAccessKeySecret();
       String bucketName = aliOssProperties.getBucketName();

        // 创建OSSClient实例。
        OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);

        try {
            // 创建PutObject请求。
            ossClient.putObject(bucketName, objectName, new ByteArrayInputStream(bytes));
        } catch (OSSException oe) {
            System.out.println("Caught an OSSException, which means your request made it to OSS, "
                    + "but was rejected with an error response for some reason.");
            System.out.println("Error Message:" + oe.getErrorMessage());
            System.out.println("Error Code:" + oe.getErrorCode());
            System.out.println("Request ID:" + oe.getRequestId());
            System.out.println("Host ID:" + oe.getHostId());
        } catch (ClientException ce) {
            System.out.println("Caught an ClientException, which means the client encountered "
                    + "a serious internal problem while trying to communicate with OSS, "
                    + "such as not being able to access the network.");
            System.out.println("Error Message:" + ce.getMessage());
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }

        //文件访问路径规则 https://BucketName.Endpoint/ObjectName
        StringBuilder stringBuilder = new StringBuilder("https://");
        stringBuilder
                .append(bucketName)
                .append(".")
                .append(endpoint)
                .append("/")
                .append(objectName);

     //   log.info("文件上传到:{}", stringBuilder.toString());

        return stringBuilder.toString();
    }

}
